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    7200/75 Sound problem

    I just picked up a 7200/75, all of the sounds including the startup sound play at double speed- anyone know what could cause this? Motherboard/capacitors looks in good shape, everything is original except for RAM was upgraded from 8 MB to 16 MB PRAM battery is currently still original
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    475/605 motherboard in 550

    The 475 and 605 can be upgraded to a 68040 33 MHz (or possibly the 40 MHz???) Is it possible to install the 475 or 605 motherboard in the 550 all-in-one? This http://lowendmac.com/1993/mac-lc-550-performa-550/ says it's possible, but online I don't see any slot connector on the 475/605...
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    Macintosh 550 motherboard capacitors

    Hello, Picked up a Performa 550 recently, I was told the capacitors have been replaced however there appears to be one that leaked or is leaking. Do these capacitors look like replacements or original? http://imgur.com/Faqqsyg Also, how do you remove the "cage" that keeps the CMOS battery inside?
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